Cremona's table of elliptic curves

988 = 2² · 13 · 19

Field	Data	Notes
Atkin-Lehner	2- 13+ 19+	Signs for the Atkin-Lehner involutions
Conductor	988	Conductor
Count	1	Number of curves in isogeny class
Curves	988a1	Curves in isogeny class
deg	420	Modular degree for the optimal curve
Eigenvalues	2-  2  4  2  0 13+ -3 19+	Hecke eigenvalues for primes less than 20
L	3.175209353626	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	3952h 15808n 8892g 24700h	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 988a

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
-	2	4	2	0	+	-3	+	3	-2	-11	-5	-5	11	-6	-14	11	7	-7	12	4	-2	-2	2	17

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Quadratic twists for isogeny class 988a

-4	8	-3	5	-7	-11	13	-19
3952h	15808n	8892g	24700h	48412r	119548n	12844e	18772i

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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